Documentation/devicetree/bindings/pinctrl/microchip,mpfs-pinctrl-iomux0.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/pinctrl/microchip,mpfs-pinctrl-iomux0.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/pinctrl/microchip,mpfs-pinctrl-iomux0.yaml
Extension
.yaml
Size
2380 bytes
Lines
90
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/microchip,mpfs-pinctrl-iomux0.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip PolarFire SoC iomux0

maintainers:
  - Conor Dooley <conor.dooley@microchip.com>

description:
  iomux0 is responsible for routing some functions to either the FPGA fabric,
  or to MSSIOs. It only performs muxing, and has no IO configuration role, as
  fabric IOs are configured separately and just routing a function to MSSIOs is
  not sufficient for it to actually get mapped to an MSSIO, just makes it
  possible.

properties:
  compatible:
    oneOf:
      - const: microchip,mpfs-pinctrl-iomux0
      - items:
          - const: microchip,pic64gx-pinctrl-iomux0
          - const: microchip,mpfs-pinctrl-iomux0

  reg:
    maxItems: 1

  pinctrl-use-default: true

patternProperties:
  '^mux-':
    type: object
    $ref: pinmux-node.yaml
    additionalProperties: false

    properties:
      function:
        description:
          A string containing the name of the function to mux to the group.
        enum: [ spi0, spi1, i2c0, i2c1, can0, can1, qspi, uart0, uart1, uart2,
                uart3, uart4, mdio0, mdio1 ]

      groups:
        description:
          An array of strings. Each string contains the name of a group.
        items:
          enum: [ spi0_fabric, spi0_mssio, spi1_fabric, spi1_mssio, i2c0_fabric,
                  i2c0_mssio, i2c1_fabric, i2c1_mssio, can0_fabric, can0_mssio,
                  can1_fabric, can1_mssio, qspi_fabric, qspi_mssio,
                  uart0_fabric, uart0_mssio, uart1_fabric, uart1_mssio,
                  uart2_fabric, uart2_mssio, uart3_fabric, uart3_mssio,
                  uart4_fabric, uart4_mssio, mdio0_fabric, mdio0_mssio,
                  mdio1_fabric, mdio1_mssio ]

    required:
      - function
      - groups

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    soc {
      #size-cells = <1>;

Annotation

Implementation Notes